LMS Perfect World

Like it said, i already have the client downloaded from before, and the animation patch isn't needed but, the last step is the troubling part, cause i got the patch, extract it, and when its about done it says

(some installation files are courrpt, please install a fresh copy and retry to install)

what do i need to do to fix this?

Forget about this post guys, i decided to uninstall every thing and follow instrusctions by the letter, so that part done